Vulnerability-Lookup

BDU:2023-02001 (CVE-2021-36980)

Vulnerability from fstec – Published: 2023-04-12 – Updated: 2023-04-12 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции decode_NXAST_RAW_ENCAP() программного многоуровневого коммутатора Open vSwitch, позволяющая нарушителю выполнить произвольный код

Summary

Уязвимость функции decode_NXAST_RAW_ENCAP() программного многоуровневого коммутатора Open vSwitch связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, выполнить произвольный код

Severity

9.0 (High) CVSS 2.0


                      
                        AV:N/AC:L/Au:N/C:P/I:P/A:C

8.6 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-416 - Использование после освобождения

Aliases

CVE-2021-36980

References

15 references

URL
https://www.cybersecurity-help.cz/vdb/SB2023040729
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2…
https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f
https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3
https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35
https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2
https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575
https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2
https://security-tracker.debian.org/tracker/CVE-2021-36980
https://ubuntu.com/security/CVE-2021-36980
https://ubuntu.com/security/notices/USN-5065-1
https://access.redhat.com/security/cve/CVE-2021-36980
https://bugzilla.redhat.com/show_bug.cgi?id=1984473
https://www.suse.com/security/cve/CVE-2021-36980.html

Impacted products

9 products from 5 vendors

Vendors

Novell Inc., Сообщество свободного программного обеспечения, Canonical Ltd., Red Hat, Inc.

Products

SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, Debian GNU/Linux, Ubuntu, OpenSUSE Leap, Suse Linux Enterprise Desktop, Red Hat OpenShift Container Platform, Open vSwitch, Fast Datapath

Versions

12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (Suse Linux Enterprise Server), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 10 (Debian GNU/Linux), 12 SP3-ESPOS (Suse Linux Enterprise Server), 15-LTSS (Suse Linux Enterprise Server), 20.04 LTS (Ubuntu), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (Suse Linux Enterprise Server), 15-ESPOS (Suse Linux Enterprise Server), 21.04 (Ubuntu), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), 15.3 (OpenSUSE Leap), 15 SP1 (Suse Linux Enterprise Server), 11 (Debian GNU/Linux), 15.4 (OpenSUSE Leap), 15 SP3 (Suse Linux Enterprise Server), 15 SP3 (SUSE Linux Enterprise Server for SAP Applications), 15 SP3 (Suse Linux Enterprise Desktop), 15 SP2 (Suse Linux Enterprise Server), 15 SP2 (SUSE Linux Enterprise Server for SAP Applications), 15 SP4 (Suse Linux Enterprise Server), 15 SP2 (Suse Linux Enterprise Desktop), 4 (Red Hat OpenShift Container Platform), 15 SP4 (Suse Linux Enterprise Desktop), 15 (Suse Linux Enterprise Server), 15 SP2-BCL (Suse Linux Enterprise Server), 15 SP4 (SUSE Linux Enterprise Server for SAP Applications), 15 SP2-LTSS (Suse Linux Enterprise Server), 4.9 (Red Hat OpenShift Container Platform), 15 SP1 (Suse Linux Enterprise Desktop), 15 SP3-LTSS (Suse Linux Enterprise Server), 15 SP3-BCL (Suse Linux Enterprise Server), от 2.11.0 до 2.15.0 включительно (Open vSwitch), - (Fast Datapath)

Product types

Operating system, Application software, Network software

Platforms

Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4, Novell Inc. Suse Linux Enterprise Server 12 SP4, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1, Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS, Novell Inc. Suse Linux Enterprise Server 12 SP5, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5, Сообщество свободного программного обеспечения Debian GNU/Linux 10, Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS, Novell Inc. Suse Linux Enterprise Server 15-LTSS, Canonical Ltd. Ubuntu 20.04 LTS, Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS, Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS, Novell Inc. Suse Linux Enterprise Server 15-ESPOS, Canonical Ltd. Ubuntu 21.04, Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL, Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS, Novell Inc. OpenSUSE Leap 15.3, Novell Inc. Suse Linux Enterprise Server 15 SP1, Сообщество свободного программного обеспечения Debian GNU/Linux 11, Novell Inc. OpenSUSE Leap 15.4, Novell Inc. Suse Linux Enterprise Server 15 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP3, Novell Inc. Suse Linux Enterprise Desktop 15 SP3, Novell Inc. Suse Linux Enterprise Server 15 SP2, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP2, Novell Inc. Suse Linux Enterprise Server 15 SP4, Novell Inc. Suse Linux Enterprise Desktop 15 SP2, Novell Inc. Suse Linux Enterprise Desktop 15 SP4, Novell Inc. Suse Linux Enterprise Server 15, Novell Inc. Suse Linux Enterprise Server 15 SP2-BCL, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP4, Novell Inc. Suse Linux Enterprise Server 15 SP2-LTSS, Novell Inc. Suse Linux Enterprise Desktop 15 SP1, Novell Inc. Suse Linux Enterprise Server 15 SP3-LTSS, Novell Inc. Suse Linux Enterprise Server 15 SP3-BCL

Mitigations

Использование рекомендаций: Для Open vSwitch: обновление Open vSwitch до актуальной версии. Для программных продуктов Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2021-36980 Для программных продуктов Ubuntu: https://ubuntu.com/security/CVE-2021-36980 https://ubuntu.com/security/notices/USN-5065-1 Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/CVE-2021-36980 Для программных продуктов Novell Inc.: https://www.suse.com/security/cve/CVE-2021-36980.html

JSON

To clipboard

{
  "CVSS 2.0": "AV:N/AC:L/Au:N/C:P/I:P/A:C",
  "CVSS 3.0": "AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Novell Inc., \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, Canonical Ltd., Red Hat, Inc.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (Suse Linux Enterprise Server), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 10 (Debian GNU/Linux), 12 SP3-ESPOS (Suse Linux Enterprise Server), 15-LTSS (Suse Linux Enterprise Server), 20.04 LTS (Ubuntu), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (Suse Linux Enterprise Server), 15-ESPOS (Suse Linux Enterprise Server), 21.04 (Ubuntu), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), 15.3 (OpenSUSE Leap), 15 SP1 (Suse Linux Enterprise Server), 11 (Debian GNU/Linux), 15.4 (OpenSUSE Leap), 15 SP3 (Suse Linux Enterprise Server), 15 SP3 (SUSE Linux Enterprise Server for SAP Applications), 15 SP3 (Suse Linux Enterprise Desktop), 15 SP2 (Suse Linux Enterprise Server), 15 SP2 (SUSE Linux Enterprise Server for SAP Applications), 15 SP4 (Suse Linux Enterprise Server), 15 SP2 (Suse Linux Enterprise Desktop), 4 (Red Hat OpenShift Container Platform), 15 SP4 (Suse Linux Enterprise Desktop), 15 (Suse Linux Enterprise Server), 15 SP2-BCL (Suse Linux Enterprise Server), 15 SP4 (SUSE Linux Enterprise Server for SAP Applications), 15 SP2-LTSS (Suse Linux Enterprise Server), 4.9 (Red Hat OpenShift Container Platform), 15 SP1 (Suse Linux Enterprise Desktop), 15 SP3-LTSS (Suse Linux Enterprise Server), 15 SP3-BCL (Suse Linux Enterprise Server), \u043e\u0442 2.11.0 \u0434\u043e 2.15.0 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Open vSwitch), - (Fast Datapath)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\n\n\u0414\u043b\u044f Open vSwitch:\n\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Open vSwitch \u0434\u043e \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438.\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2021-36980\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Ubuntu:\nhttps://ubuntu.com/security/CVE-2021-36980\nhttps://ubuntu.com/security/notices/USN-5065-1\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/CVE-2021-36980\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Novell Inc.:\nhttps://www.suse.com/security/cve/CVE-2021-36980.html",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "23.02.2021",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "12.04.2023",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "12.04.2023",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2023-02001",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2021-36980",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, Debian GNU/Linux, Ubuntu, OpenSUSE Leap, Suse Linux Enterprise Desktop, Red Hat OpenShift Container Platform, Open vSwitch, Fast Datapath",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4 , Novell Inc. Suse Linux Enterprise Server 12 SP4 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1 , Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS , Novell Inc. Suse Linux Enterprise Server 12 SP5 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS , Novell Inc. Suse Linux Enterprise Server 15-LTSS , Canonical Ltd. Ubuntu 20.04 LTS , Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS , Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS , Novell Inc. Suse Linux Enterprise Server 15-ESPOS , Canonical Ltd. Ubuntu 21.04 , Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL , Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS , Novell Inc. OpenSUSE Leap 15.3 , Novell Inc. Suse Linux Enterprise Server 15 SP1 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 11 , Novell Inc. OpenSUSE Leap 15.4 , Novell Inc. Suse Linux Enterprise Server 15 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP3 , Novell Inc. Suse Linux Enterprise Desktop 15 SP3 , Novell Inc. Suse Linux Enterprise Server 15 SP2 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP2 , Novell Inc. Suse Linux Enterprise Server 15 SP4 , Novell Inc. Suse Linux Enterprise Desktop 15 SP2 , Novell Inc. Suse Linux Enterprise Desktop 15 SP4 , Novell Inc. Suse Linux Enterprise Server 15 , Novell Inc. Suse Linux Enterprise Server 15 SP2-BCL , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP4 , Novell Inc. Suse Linux Enterprise Server 15 SP2-LTSS , Novell Inc. Suse Linux Enterprise Desktop 15 SP1 , Novell Inc. Suse Linux Enterprise Server 15 SP3-LTSS , Novell Inc. Suse Linux Enterprise Server 15 SP3-BCL ",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 decode_NXAST_RAW_ENCAP() \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u043d\u043e\u0433\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u043e\u0433\u043e \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430 Open vSwitch, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (CWE-416)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 decode_NXAST_RAW_ENCAP() \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043c\u043d\u043e\u0433\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u043e\u0433\u043e \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430 Open vSwitch \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u043c\u0443 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://www.cybersecurity-help.cz/vdb/SB2023040729\nhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851\nhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml\nhttps://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f\nhttps://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3\nhttps://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35\nhttps://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2\nhttps://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575\nhttps://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2\nhttps://security-tracker.debian.org/tracker/CVE-2021-36980\nhttps://ubuntu.com/security/CVE-2021-36980\nhttps://ubuntu.com/security/notices/USN-5065-1\nhttps://access.redhat.com/security/cve/CVE-2021-36980\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1984473\nhttps://www.suse.com/security/cve/CVE-2021-36980.html",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, \u0421\u0435\u0442\u0435\u0432\u043e\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u043e",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-416",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 9)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 8,6)"
}

CVE-2021-36980 (GCVE-0-2021-36980)

Vulnerability from cvelistv5 – Published: 2021-07-20 00:00 – Updated: 2025-05-05 16:46

Summary

Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 13:22 UTC

CWE

n/a
CWE-416 - Use After Free

Assigner

mitre mitre root Scorecard

References

9 references

URL	Tags
https://github.com/google/oss-fuzz-vulns/blob/mai…
https://bugs.chromium.org/p/oss-fuzz/issues/detai…
https://github.com/openvswitch/ovs/commit/77cccc7…
https://github.com/openvswitch/ovs/commit/38744b1…
https://github.com/openvswitch/ovs/commit/65c61b0…
https://github.com/openvswitch/ovs/commit/6d67310…
https://github.com/openvswitch/ovs/commit/8ce8dc3…
https://github.com/openvswitch/ovs/commit/9926637…
https://security.gentoo.org/glsa/202311-16	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T01:09:07.234Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2"
          },
          {
            "name": "GLSA-202311-16",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202311-16"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-36980",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T13:22:15.331185Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-05T16:46:44.736Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-26T11:06:18.489Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml"
        },
        {
          "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575"
        },
        {
          "url": "https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2"
        },
        {
          "name": "GLSA-202311-16",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202311-16"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-36980",
    "datePublished": "2021-07-20T00:00:00.000Z",
    "dateReserved": "2021-07-20T00:00:00.000Z",
    "dateUpdated": "2025-05-05T16:46:44.736Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

BDU:2023-02001 (CVE-2021-36980)

CVE-2021-36980 (GCVE-0-2021-36980)

Tags

Sightings

Nomenclature

Related by attack behaviour